EP4575191A3 - Ensemble joint d'arbre pour moteur à turbine - Google Patents

Ensemble joint d'arbre pour moteur à turbine

Info

Publication number
EP4575191A3
EP4575191A3 EP25168384.3A EP25168384A EP4575191A3 EP 4575191 A3 EP4575191 A3 EP 4575191A3 EP 25168384 A EP25168384 A EP 25168384A EP 4575191 A3 EP4575191 A3 EP 4575191A3
Authority
EP
European Patent Office
Prior art keywords
turbine engine
seal assembly
shaft seal
assembly
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP25168384.3A
Other languages
German (de)
English (en)
Other versions
EP4575191A2 (fr
Inventor
Brad E. FIORE
James B. Coffin
Christopher M. Valva
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RTX Corp
Original Assignee
RTX Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RTX Corp filed Critical RTX Corp
Publication of EP4575191A2 publication Critical patent/EP4575191A2/fr
Publication of EP4575191A3 publication Critical patent/EP4575191A3/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • F01D25/183—Sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • F01D25/125—Cooling of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/06—Arrangements of bearings; Lubricating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/32—Arrangement, mounting, or driving, of auxiliaries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/50—Bearings
    • F05D2240/54—Radial bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F05D2240/56—Brush seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/60—Shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/182—Two-dimensional patterned crenellated, notched
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/98—Lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Devices (AREA)
EP25168384.3A 2018-09-14 2019-07-11 Ensemble joint d'arbre pour moteur à turbine Pending EP4575191A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/131,145 US10830078B2 (en) 2018-09-14 2018-09-14 Shaft seal assembly for a turbine engine
EP19185866.1A EP3623588B1 (fr) 2018-09-14 2019-07-11 Ensemble joint d'étanchéité d'arbre pour un moteur à turbine

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP19185866.1A Division EP3623588B1 (fr) 2018-09-14 2019-07-11 Ensemble joint d'étanchéité d'arbre pour un moteur à turbine
EP19185866.1A Division-Into EP3623588B1 (fr) 2018-09-14 2019-07-11 Ensemble joint d'étanchéité d'arbre pour un moteur à turbine

Publications (2)

Publication Number Publication Date
EP4575191A2 EP4575191A2 (fr) 2025-06-25
EP4575191A3 true EP4575191A3 (fr) 2025-08-06

Family

ID=67253826

Family Applications (2)

Application Number Title Priority Date Filing Date
EP25168384.3A Pending EP4575191A3 (fr) 2018-09-14 2019-07-11 Ensemble joint d'arbre pour moteur à turbine
EP19185866.1A Active EP3623588B1 (fr) 2018-09-14 2019-07-11 Ensemble joint d'étanchéité d'arbre pour un moteur à turbine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19185866.1A Active EP3623588B1 (fr) 2018-09-14 2019-07-11 Ensemble joint d'étanchéité d'arbre pour un moteur à turbine

Country Status (2)

Country Link
US (1) US10830078B2 (fr)
EP (2) EP4575191A3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11053858B2 (en) 2019-02-07 2021-07-06 Raytheon Technologies Corporation Low leakage seal for tower shaft
FR3109801B1 (fr) * 2020-05-04 2022-04-01 Safran Aircraft Engines Agencement pour turbomachine d’aeronef a lubrification amelioree, l’agencement comprenant un arbre couple en rotation a un element suiveur, par des cannelures
US11371374B2 (en) * 2020-07-22 2022-06-28 Raytheon Technologies Corporation Seal runner flow damper
FR3115558B1 (fr) 2020-10-27 2023-12-15 Safran Aircraft Engines Dispositif de pressurisation d’une enceinte aval de turbomachine et turbomachine correspondante.
EP4293199A3 (fr) * 2022-06-14 2024-02-28 Hamilton Sundstrand Corporation Système de surveillance de joint et procédé de surveillance d'un joint
US12492663B2 (en) 2022-08-12 2025-12-09 Rtx Corporation Aircraft propulsion system geartrain
US12135076B1 (en) 2023-09-29 2024-11-05 Rtx Corporation Fluid device(s) for supporting rotating structure(s) of a turbine engine
US12331683B2 (en) 2023-09-29 2025-06-17 Rtx Corporation Bearing arrangement for turbine engine geartrain
US12188551B1 (en) 2023-09-29 2025-01-07 Rtx Corporation Reduced clearance interface between a fluid device and a rotating structure for a geartrain
US12292107B2 (en) 2023-09-29 2025-05-06 Rtx Corporation Fluid damper for turbine engine geartrain assembly
US20260092565A1 (en) * 2024-09-30 2026-04-02 Pratt & Whitney Canada Corp. Gas Turbine Engine Tower Shaft Assembly
US20260092566A1 (en) * 2024-09-30 2026-04-02 Pratt & Whitney Canada Corp. Gas Turbine Engine Tower Shaft with Narrowed Support Member

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1939429A2 (fr) * 2006-12-21 2008-07-02 General Electric Company Système de prise de force et ensemble de moteur de turbine à gaz l'incluant
EP2372100A2 (fr) * 2010-03-26 2011-10-05 United Technologies Corporation Joint de décollement au carbone
EP2481887A2 (fr) * 2011-01-26 2012-08-01 United Technologies Corporation Joint d'arbre intermédiaire doté de liaison de support
US9970526B1 (en) * 2015-02-02 2018-05-15 Hamilton Sundstrand Corporation Ram air turbine lip seal sealing surface sleeve cap
EP3561240A1 (fr) * 2018-04-27 2019-10-30 Hamilton Sundstrand Corporation Joint de carbone

Family Cites Families (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990202A (en) * 1958-09-18 1961-06-27 United Aircraft Corp Labyrinth face seal plate
NL130801C (fr) * 1961-02-10
US3572727A (en) * 1969-07-16 1971-03-30 Sealol Unloading gas barrier face seal
US3804424A (en) * 1972-04-24 1974-04-16 Crane Packing Co Gap seal with thermal and pressure distortion compensation
DE2228081C3 (de) * 1972-06-09 1975-11-27 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Gleitringdichtung fur Medien wechselnder Temperatur
US3942387A (en) * 1974-10-15 1976-03-09 United Technologies Corporation Replaceable freewheel unit for helicopters
GB1559879A (en) * 1976-08-14 1980-01-30 Rolls Royce Bevel gearing
DE2861253D1 (en) * 1978-12-15 1981-12-10 Freudenberg Carl Fa Sealing for a gap between a rotating shaft and a crank case bore against a mixture of fluid and gas
DE3003001A1 (de) * 1980-01-29 1981-07-30 Klöckner-Humboldt-Deutz AG, 5000 Köln Vorrichtung zum gasdichten abschliessen von verbindungsstellen drehbeweglich gelagerter maschinenteile
JPS58170971A (ja) * 1982-04-01 1983-10-07 Eagle Ind Co Ltd スタ−ンチユ−ブシ−ル
US4406459A (en) * 1982-06-18 1983-09-27 United Technologies Corporation Oil weepage return for carbon seal plates
DE3231171C1 (de) * 1982-08-21 1983-05-19 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Sperrfluessigkeitsdichtung
US4406460A (en) * 1982-11-01 1983-09-27 United Technologies Corporation Anti-weepage valve for rotating seals
US5052694A (en) * 1986-07-08 1991-10-01 Eg&G Sealol, Inc. Hydrostatic face seal and bearing
US4687346A (en) * 1986-09-02 1987-08-18 United Technologies Corporation Low profile bearing support structure
US4948151A (en) * 1986-10-10 1990-08-14 Atomic Energy Of Canada Limited Rotary end face seal assembly
US4990054A (en) * 1989-12-13 1991-02-05 Westinghouse Electric Corp. Device incorporating micro-porous membrane for venting gases from seal assembly of a reactor coolant pump
US5106105A (en) * 1990-10-17 1992-04-21 United States Department Of Energy Rotary kiln seal
US5249924A (en) * 1992-02-21 1993-10-05 Southwest Aerospace Corporation RAM air turbine
DE4209953A1 (de) * 1992-03-27 1993-09-30 Freudenberg Carl Fa Dichtungsanordnung
EP0685048B1 (fr) * 1992-08-11 2000-01-19 United Technologies Corporation Ensemble d'etancheite pour machine rotative
US5636848A (en) * 1995-02-22 1997-06-10 Alliedsignal Inc. Oil seal for a high speed rotating shaft
US5622438A (en) * 1995-07-12 1997-04-22 United Technologies Corporation Fire resistant bearing compartment cover
US5658127A (en) * 1996-01-26 1997-08-19 Sundstrand Corporation Seal element cooling in high speed mechanical face seals
DE19745662A1 (de) * 1997-10-17 1999-04-22 Bitzer Kuehlmaschinenbau Gmbh Kompressor
JP3192152B2 (ja) * 1997-11-21 2001-07-23 日本ピラー工業株式会社 静圧形ノンコクタクトガスシール
US6109617A (en) * 1998-03-04 2000-08-29 Power Packing Co., Inc. Gas seal assembly and method of sealing
DE69822443T2 (de) * 1998-06-26 2005-01-20 Techspace Aero, Milmort Turbomachinenvorrichtung mit einer Dichtung
US6196790B1 (en) * 1998-12-17 2001-03-06 United Technologies Corporation Seal assembly for an intershaft seal in a gas turbine engine
US6132168A (en) * 1998-12-23 2000-10-17 United Technologies Corporation Balancing a pressure drop across ring seals in gas turbine engines
US6996968B2 (en) * 2003-12-17 2006-02-14 United Technologies Corporation Bifurcated oil scavenge system for a gas turbine engine
GB0414235D0 (en) * 2004-06-25 2004-07-28 Rolls Royce Plc A lubrication arrangement
US7341426B2 (en) * 2004-12-29 2008-03-11 United Technologies Corporation Gas turbine engine blade tip clearance apparatus and method
US8011883B2 (en) * 2004-12-29 2011-09-06 United Technologies Corporation Gas turbine engine blade tip clearance apparatus and method
US7287711B2 (en) * 2005-05-27 2007-10-30 Hunter Industries, Inc. A Delaware Corporation Adjustable arc rotor-type sprinkler with selectable uni-directional full circle nozzle rotation
US7648143B2 (en) * 2005-10-18 2010-01-19 United Technologies Corporation Tandem dual element intershaft carbon seal
US8167091B2 (en) * 2007-03-28 2012-05-01 Pratt & Whitney Canada Corp. Oil scavenge system having churning damper for gas turbine engines
US8528697B2 (en) * 2008-08-12 2013-09-10 GM Global Technology Operations LLC Differential lubricant temperature controller
US9004495B2 (en) * 2008-09-15 2015-04-14 Stein Seal Company Segmented intershaft seal assembly
JP4958889B2 (ja) * 2008-12-05 2012-06-20 川崎重工業株式会社 歯車列の潤滑装置
US8167314B2 (en) * 2009-03-31 2012-05-01 United Technologies Corporation Distortion resistant face seal counterface system
DE202009010047U1 (de) * 2009-07-23 2010-12-23 Gapi Technische Produkte Gmbh Öldrehdurchführung
FR2957982B1 (fr) * 2010-03-29 2012-04-13 Valeo Equip Electr Moteur Palier avant de demarreur de moteur thermique a pignon sortant et demarreur a pignon sortant comportant un tel palier
US8657573B2 (en) * 2010-04-13 2014-02-25 Rolls-Royce Corporation Circumferential sealing arrangement
GB201013844D0 (en) * 2010-08-19 2010-09-29 Rolls Royce Plc Intershaft seal
US8747054B2 (en) * 2011-01-24 2014-06-10 United Technologies Corporation Bearing system for gas turbine engine
GB201111531D0 (en) * 2011-07-06 2011-08-17 Rolls Royce Plc A sealing arrangement
GB2495092B (en) * 2011-09-28 2014-01-01 Rolls Royce Plc Sealing arrangement
US9068515B2 (en) 2011-12-07 2015-06-30 United Technologies Corporation Accessory gearbox with tower shaft removal capability
US9896968B2 (en) * 2012-07-30 2018-02-20 United Technologies Corporation Forward compartment baffle arrangement for a geared turbofan engine
US9476321B2 (en) * 2012-09-20 2016-10-25 United Technologies Corporation Turbomachine fluid delivery manifold and system
US9726031B2 (en) * 2012-09-28 2017-08-08 United Technologies Corporation Piston ring coated carbon seal
US9631508B2 (en) * 2013-06-13 2017-04-25 Pratt & Whitney Canada Corp. Internally cooled seal runner
US9376999B2 (en) * 2013-08-22 2016-06-28 Paul H. Sloan, Jr. Engine starter inertia drive
EP3094826B1 (fr) * 2014-01-08 2022-04-06 Raytheon Technologies Corporation Guide de ressort à bride pour un agencement d'étanchéité de face d'un moteur à turbine à gaz
JP6585070B2 (ja) * 2014-03-18 2019-10-02 ジーイー・アーヴィオ・ソチエタ・レスポンサビリタ・リミタータＧｅ Ａｖｉｏ Ｓｒｌ 特にエピサイクリック・トランスミッション用の、静止部から回転部へと潤滑オイルを流すためのオイル移送アセンブリ
US9714712B2 (en) * 2014-08-15 2017-07-25 Eaton Corporation Hydrodynamic mating ring with integrated groove inlet pressure control
US9732630B2 (en) * 2015-03-27 2017-08-15 United Technologies Corporation Oil scoop and shaft with axially-oriented hole
US9915175B2 (en) * 2015-07-15 2018-03-13 United Technologies Corporation Seal runner with controlled oil lubrication
US10563530B2 (en) * 2015-10-12 2020-02-18 General Electric Company Intershaft seal with dual opposing carbon seal rings
US10197150B2 (en) * 2015-11-23 2019-02-05 United Technologies Corporation Gear baffle configured with lubricant outlet passage
US10221937B2 (en) * 2016-04-05 2019-03-05 United Technologies Corporation Slotted oil baffle for gears
WO2016179608A2 (fr) * 2016-04-29 2016-11-10 Stein Seal Company Joint d'étanchéité inter-arbres avec bague d'étanchéité asymétrique
US10598035B2 (en) * 2016-05-27 2020-03-24 General Electric Company Intershaft sealing systems for gas turbine engines and methods for assembling the same
US10066733B2 (en) * 2016-07-19 2018-09-04 United Technologies Corporation Oil direction control baffle
US20180045316A1 (en) * 2016-08-09 2018-02-15 United Technologies Corporation Hydrodynamic seal seat cooling features
US10364880B2 (en) * 2017-01-05 2019-07-30 United Technologies Corporation Oil quieting direction control baffle
US10557362B2 (en) * 2017-03-30 2020-02-11 General Electric Company Method and system for a pressure activated cap seal
US10598020B2 (en) * 2018-01-05 2020-03-24 United Technologies Corporation Spanner nut centering feature
US20190226585A1 (en) * 2018-01-25 2019-07-25 General Electric Company Hydrodynamic Intershaft Piston Ring Seal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1939429A2 (fr) * 2006-12-21 2008-07-02 General Electric Company Système de prise de force et ensemble de moteur de turbine à gaz l'incluant
EP2372100A2 (fr) * 2010-03-26 2011-10-05 United Technologies Corporation Joint de décollement au carbone
EP2481887A2 (fr) * 2011-01-26 2012-08-01 United Technologies Corporation Joint d'arbre intermédiaire doté de liaison de support
US9970526B1 (en) * 2015-02-02 2018-05-15 Hamilton Sundstrand Corporation Ram air turbine lip seal sealing surface sleeve cap
EP3561240A1 (fr) * 2018-04-27 2019-10-30 Hamilton Sundstrand Corporation Joint de carbone

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US10830078B2 (en) 2020-11-10
US20200088053A1 (en) 2020-03-19
EP4575191A2 (fr) 2025-06-25
EP3623588B1 (fr) 2025-05-14
EP3623588A1 (fr) 2020-03-18

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